Neiko Impact Universal Joint Set, 3 Piece | 1/4, 3/8, 1/2 Drive | Cr-Mo

EASY-ATTACHMENT DESIGN: To attach the socket drill extension, snap the end of the adapter onto your drill. Each extender has a spring-loaded ball at the attachment point that locks the socket securely into place to prevent slipping and dropping., VISIBLE SIZES: The 1/4-inch, 3/8-inch, and 1/2-inch socket adapters have their sizes laser-etched into the sides. These easy-to-read and large stamps make it simple and quick to choose which size socket you need for your drill.